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Valve material: Casting steel, carbon steel, stainless steel
Flange dimension: GB/T17241. 6-98; GB9115-88
Sealer: Ethylene propylene diene monomer(EPDM) -40~+125º C
Nitrile-butadiene rubber(NBR) -20~+82º C
Silicon rubber(SI) -70~+150º C
Fluorous rubber -23~+150º C
Butyl rubber -40~+100º C
Polytetrafluoroethylene+10~+150º C
Face-to-face dimension: GB12221-8
Pressure examination: GB/T13927-92
Suitable medium: Fresh water, foul water, seawater, air, steam, food, medicines and chemical reagents, various oil kind, acid kind, alkali kind, salt, etc.
